Question Simplify the expression U3−1 Evaluate 1×U3×1−1Solution U3−1 Show Solution Factor the expression (U−1)(U2+U+1) Evaluate 1×U3×1−1Evaluate U3−1Rewrite the expression in exponential form U3−13Use a3−b3=(a−b)(a2+ab+b2) to factor the expression (U−1)(U2+U×1+12)Any expression multiplied by 1 remains the same (U−1)(U2+U+12)Solution (U−1)(U2+U+1) Show Solution Find the roots U=1 Evaluate 1×U3×1−1To find the roots of the expression,set the expression equal to 0 1×U3×1−1=0Multiply the terms U3−1=0Move the constant to the right-hand side and change its sign U3=0+1Removing 0 doesn't change the value,so remove it from the expression U3=1Take the 3-th root on both sides of the equation 3U3=31Calculate U=31Solution U=1 Show Solution